2555956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 5124000

約数和(自身を除く): 2568044

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 199, 247, 338, 398, 494, 676, 796, 988, 2587, 3211, 3781, 5174, 6422, 7562, 10348, 12844, 15124, 33631, 49153, 67262, 98306, 134524, 196612, 638989, 1277978, 2555956]

約数ペア:

[(1, 2555956), (2, 1277978), (4, 638989), (13, 196612), (19, 134524), (26, 98306), (38, 67262), (52, 49153), (76, 33631), (169, 15124), (199, 12844), (247, 10348), (338, 7562), (398, 6422), (494, 5174), (676, 3781), (796, 3211), (988, 2587)]